- Healthy air in the car
- Technology
Air conditioning cleaning for classic cars: Clean cabin air for the Porsche 928
Air conditioning cleaning for classic cars? Iconic models like the Porsche 928 benefit enormously from it. In October 2025, a 928 GT came to our TUNAP workshop – with a typical but easily solvable problem: unpleasant odors from the air conditioning system. In this article, we explain why the 928’s air conditioning system requires special attention due to its design, how an airco well® cleaning works gently even on sensitive classics, and what difference the owner noticed immediately. An exciting look at technology, value preservation, and noticeably better cabin air.
- Healthy air in the car
Can you clean the car's air conditioning yourself? What the professional does better
Do-it-yourself cleanings only fight the symptoms, not the cause. Regular maintenance by a professional service according to VDI/ZDK 6032 is the only method to permanently eliminate germs and mold – while simultaneously protecting technology, health, and comfort.
- Facts worth knowing
- Healthy air in the car
Disinfecting car air conditioning? Why it's not a good idea – and what really helps
Many drivers are familiar with the problem: When the air conditioning is turned on, it smells bad, emitting an unpleasant odor of vinegar, cheese, or even urine. The first reaction is often: "I need to disinfect the air conditioning!" – but be careful: Disinfecting the air conditioning with aggressive chemicals can do more harm than good.
- Facts worth knowing
Work more efficiently with the new airco well® App – digital support for air conditioning cleaning
The new airco well® app from TUNAP simplifies professional air conditioning cleaning – with step-by-step instructions, videos, and FAQs for over 1,000 vehicle models. Download now for free and make your workshop routine more efficient.
- Facts worth knowing
Disinfecting the air conditioning - what you should know
Does your air conditioner smell or has it just not been serviced in a long time - and you feel like it needs to be disinfected? Then you are fundamentally correct. However, it is dangerous to approach your car's air conditioning system with disinfectant.
- Facts worth knowing
Air conditioning cleaning for trucks – modern, healthy, efficient with airco well®
The air conditioning in trucks is more than just a comfort feature – it directly affects air quality and the well-being of drivers. Regular cleaning is important not only for hygienic reasons but also helps to prevent failures and extend the lifespan of the system. In this article, you will learn why cleaning air conditioning systems in trucks makes sense, what technical standards apply, and how workshops can implement this service efficiently.
- Healthy air in the car
- Technology
The VDI Guideline 6032 - Automotive air conditioning cleaning according to the current state of the art
How can a car or truck air conditioning system be cleaned to avoid unpleasant odors? How can bacteria and mold be sustainably removed from the evaporator and the pollen filter box? The guideline VDI/ZDK 6032 Sheet 1 'Air technology; Air quality in vehicles; Hygiene requirements for ventilation technology; Car/Truck' provides clarification on this
Find a workshop near you